Side panel of an ink bottle



FIG. 1 is a left side elevation view of my new side panel for an ink bottle;

FIG. 2 is a front elevation view thereof; and,

FIG. 3 is right side elevation view thereof.

The top of the bottom section of an ink bottle forms no part of the claimed design. The broken line showing of the remainder of the bottle is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a side panel of an ink bottle, as shown and described. 